diff options
Diffstat (limited to 'src/kernel/syscall.cc')
| -rw-r--r-- | src/kernel/syscall.cc | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/kernel/syscall.cc b/src/kernel/syscall.cc index 259a5e6..9f88649 100644 --- a/src/kernel/syscall.cc +++ b/src/kernel/syscall.cc @@ -503,7 +503,9 @@ static uint64_t sys_read() // get param: fd, buf, len if (argint(0, &fd) < 0 || argint(2, &n) < 0 || argint(1, (int *)&p) < 0) return -1; - + + p = argraw(1); + struct Proc* proc = myproc(); if (fd == 0 && proc->ofile[fd] == nullptr) { |